freeCodeCamp.org's open source codebase and curriculum. Learn to code at home.

freeCodeCamp

A book series on JavaScript. @YDKJS on twitter.

You-Dont-Know-JS

Short CSS code snippets for all your development needs

Learn how to design large-scale systems. Prep for the system design interview.  Includes Anki flashcards.

🤓 Build your own (insert technology here)

:books: 免费的计算机编程类中文书籍，欢迎投稿

Short JavaScript code snippets for all your development needs

Papers from the computer science community to read and discuss.

📜 33 concepts every JavaScript developer should know.

The Patterns of Scalable, Reliable, and Performant Large-Scale Systems

120+ interactive Python coding interview challenges (algorithms and data structures).  Includes Anki flashcards.

A guide on how to be a Programmer - originally published by Robert L Read

Python programs, usually short, of considerable difficulty, to perfect particular skills.